digraph test {
subgraph one {
style=filled;
color=lightgrey;
label= "Troi"
}
subgraph two {
style=filled;
color=lightgrey;
label= "Riker"
}
one -> two
"Picard" -> "Riker"
"Picard" -> "Troi" -> "Bev. Crusher"
"Bev. Crusher" -> Picard"
"inet_cloud" [
		label = "internet"
 		color = "gray"
		style = "filled"
		fillcolor = "gray"
		shape = "box"
width = "1"
	]
}
